div{
	width: 100px;
	height: 100px;
	background: #122E67;
	position: absolute;
	top: 0;
	left: 0;
}
.tip{
	width: 94px;
	height: 94px;
	border: 1px dashed #122E67;
	position: absolute;
	left: 0;
	top: 0;
}